113 lines
3.2 KiB
C
113 lines
3.2 KiB
C
#ifndef GEMU_H
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#define GEMU_H
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#include "thunk.h"
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#include <signal.h>
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#include "syscall_defs.h"
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#include "cpu.h"
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#include "syscall.h"
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/* This struct is used to hold certain information about the image.
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* Basically, it replicates in user space what would be certain
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* task_struct fields in the kernel
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*/
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struct image_info {
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unsigned long start_code;
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unsigned long end_code;
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unsigned long end_data;
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unsigned long start_brk;
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unsigned long brk;
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unsigned long start_mmap;
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unsigned long mmap;
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unsigned long rss;
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unsigned long start_stack;
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unsigned long arg_start;
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unsigned long arg_end;
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unsigned long env_start;
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unsigned long env_end;
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unsigned long entry;
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int personality;
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};
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#ifdef TARGET_I386
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/* Information about the current linux thread */
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struct vm86_saved_state {
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uint32_t eax; /* return code */
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uint32_t ebx;
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uint32_t ecx;
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uint32_t edx;
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uint32_t esi;
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uint32_t edi;
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uint32_t ebp;
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uint32_t esp;
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uint32_t eflags;
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uint32_t eip;
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uint16_t cs, ss, ds, es, fs, gs;
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};
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#endif
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/* NOTE: we force a big alignment so that the stack stored after is
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aligned too */
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typedef struct TaskState {
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struct TaskState *next;
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#ifdef TARGET_I386
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struct target_vm86plus_struct *target_v86;
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struct vm86_saved_state vm86_saved_regs;
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struct target_vm86plus_struct vm86plus;
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uint32_t v86flags;
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uint32_t v86mask;
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#endif
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int used; /* non zero if used */
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uint8_t stack[0];
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} __attribute__((aligned(16))) TaskState;
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extern TaskState *first_task_state;
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int elf_exec(const char * filename, char ** argv, char ** envp,
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struct target_pt_regs * regs, struct image_info *infop);
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void target_set_brk(char *new_brk);
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void syscall_init(void);
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long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
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long arg4, long arg5, long arg6);
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void gemu_log(const char *fmt, ...) __attribute__((format(printf,1,2)));
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extern CPUState *global_env;
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void cpu_loop(CPUState *env);
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void init_paths(const char *prefix);
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const char *path(const char *pathname);
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extern int loglevel;
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extern FILE *logfile;
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/* signal.c */
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void process_pending_signals(void *cpu_env);
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void signal_init(void);
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int queue_signal(int sig, target_siginfo_t *info);
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void host_to_target_siginfo(target_siginfo_t *tinfo, const siginfo_t *info);
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void target_to_host_siginfo(siginfo_t *info, const target_siginfo_t *tinfo);
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long do_sigreturn(CPUState *env);
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long do_rt_sigreturn(CPUState *env);
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#ifdef TARGET_I386
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/* vm86.c */
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void save_v86_state(CPUX86State *env);
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void handle_vm86_trap(CPUX86State *env, int trapno);
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void handle_vm86_fault(CPUX86State *env);
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int do_vm86(CPUX86State *env, long subfunction,
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struct target_vm86plus_struct * target_v86);
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#endif
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/* mmap.c */
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int target_mprotect(unsigned long start, unsigned long len, int prot);
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long target_mmap(unsigned long start, unsigned long len, int prot,
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int flags, int fd, unsigned long offset);
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int target_munmap(unsigned long start, unsigned long len);
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long target_mremap(unsigned long old_addr, unsigned long old_size,
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unsigned long new_size, unsigned long flags,
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unsigned long new_addr);
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int target_msync(unsigned long start, unsigned long len, int flags);
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#endif
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